V-400 Series
The Viper V-400 Series may be our smallest mower, but it’s built with the same DNA as the rest of the lineup. Compact in size but big on performance, the V-400 delivers a smooth, responsive drive and features a robust, welded frame designed for long-term durability. Its smaller footprint makes it ideal for navigating tight spaces, while still offering the comfort, strength, and reliability Viper is known for. Perfect for owners who want commercial-grade feel and performance without the bulk, the V-400 Series proves that serious mowing power can come in a smaller package.


V-400 PRO QUICK SPECS
DECK SIZE & CUT HEIGHT
36″ & 42″ / 1.5″ – 4.5″
TOP SPEED:
9 MPH
FUEL CAPACITY:
7 GAL
TIRES:
Rear: 22″ X 9.5″ (52″)
Front: 13″ x 5″ (52″)
TRANSMISSION:
Hydro-Gear ZT-2800 with Charge Pump and Overflow Tank
ENGINE OPTIONS:
-Kawasaki FR691, 23 HP

V-400 XP QUICK SPECS
DECK SIZE & CUT HEIGHT
52″ & 60″ / 1.5″ – 4.5″
TOP SPEED:
9 MPH
FUEL CAPACITY:
7 GAL
TIRES:
Rear: 22″ X 12″
Front: 13″ x 6.5″
TRANSMISSION:
Hydro-Gear ZT-3100 with Charge Pump and Overflow Tank
ENGINE OPTIONS:
-Kawasaki FR691, 23 HP
*Models, accessories, and specifications are subject to change due to product enhancement.
Common Features
Every Viper 400 Series mower is built with industrial-grade core specifications standard. Zero shortcuts, maximum durability, engineered to dominate commercial work.

Heavy-Duty Frame

9-Gauge Deck

Adjustable Baffling

E-Coat & Powder Coat

Deck Height Pin

Dual Fuel Tanks

Automotive-Style Wiring

Adjustable Handles
< Scroll to Explore >

Our V-400 Series is backed by our 4-3 Warranty for added confidence season after season. That includes a 4-year full limited warranty and 3 years of coverage for the engine and Hydro-Gear components. Exclusions apply.
All V-400 Series Specs
| Specification | Details |
| Engine | 23hp Kawasaki FR691 |
| Transmission | HydroGear 2800 |
| Est. Speed | 9 mph |
| Est. Weight | 700 lbs |
| Drive Tires | 20 x 6.5″ |
| Front Tires | 13 x 5″ air |
| Gas Tank | 7 gal |
| Frame | 400 Series Narrow |
| Deck | 36″ 400 Deck |
| Deck Shell Thickness | 9 gauge |
| ROPS | no |
| Cut Height | 1 – 4.5″ |
| Deck Depth | 4.5″ |
| Spindles | cast aluminum |
| Seat | Narrow Seat w/ slide and arm |
| Specification | Details |
| Engine | 23hp Kawasaki FR691 |
| Transmission | HydroGear 2800 |
| Est. Speed | 9 mph |
| Est. Weight | 750 lbs |
| Drive Tires | 20 x 9.50″ |
| Front Tires | 13 x 5″ air |
| Gas Tank | 7 gal |
| Frame | 400 Series Narrow |
| Deck | 42″ 400 Deck |
| Deck Shell Thickness | 9 gauge |
| ROPS | no |
| Cut Height | 1.5 – 5″ |
| Deck Depth | 4.5″ |
| Spindles | cast aluminum |
| Seat | Narrow Seat w/ slide and arm |
| Specification | Details |
| Engine | 23hp Kawasaki FR691 |
| Transmission | HydroGear 3100 |
| Est. Speed | 9 mph |
| Est. Weight | 910 lbs |
| Drive Tires | 22 x 12″ |
| Front Tires | 13 x 6.5″ air |
| Gas Tank | 7 gal |
| Frame | 400 Series Standard |
| Deck | 52″ 400 Deck |
| Deck Shell Thickness | 9 gauge |
| ROPS | yes |
| Cut Height | 1.5 – 4.5″ |
| Deck Depth | 4.5″ |
| Spindles | cast aluminum |
| Seat | Standard Seat w/ slide and arm |